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${ noResults }
Greg Kurz
d0267da614
This allows the virtio-blk-pci device to batch the setup of all its host notifiers. This significantly improves boot time of VMs with a high number of vCPUs, e.g. from 3m26.186s down to 0m58.023s for a pseries machine with 384 vCPUs. Note that memory_region_transaction_commit() must be called before virtio_bus_cleanup_host_notifier() because the latter might close ioeventfds that the transaction still assumes to be around when it commits. Signed-off-by: Greg Kurz <groug@kaod.org> Message-Id: <20210407143501.244343-3-groug@kaod.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> |
5 years ago | |
|---|---|---|
| .. | ||
| meson.build | meson: convert hw/block | 6 years ago |
| trace-events | trace-events: Shorten file names in comments | 7 years ago |
| trace.h | trace: switch position of headers to what Meson requires | 6 years ago |
| virtio-blk.c | virtio-blk: Configure all host notifiers in a single MR transaction | 5 years ago |
| virtio-blk.h | hw/block: Fix the return type | 9 years ago |
| xen-block.c | block: Separate blk_is_writable() and blk_supports_write_perm() | 6 years ago |
| xen-block.h | xen-block: support feature-large-sector-size | 7 years ago |